public ViewResult ShortenUrl(ShortenUrlViewModel request)
{
if (!request.Url.Contains(":"))
{
request.Url = @"http://" + request.Url;
}
var urlId = service.CreateUrlIdentifier(request.Url);
var shortUrl = Request.Url.Scheme + @"://" + Request.Url.Authority + @"/" + urlId;
request.ShortenedUrl = shortUrl;
return(View(request));
}